Water-tight ventilator for ships



J. K. C. FAT.

WATER TIGHT VENTILATOR FOR SHIPS APPLICATION FILED OCT. 24, I92]-Patented May 2,1922.

2 $HEET$SHEET Z.

urrEo ure rice- JOSEPH. K.-CHU1\T FAQ ABOARD THE U. S. 5%. BEAVER.

WATER-TIGHT VENTILATQE non siiirsf T 0 all who in it 27mg 00mm:

Be it known'that I, JOSEPH Kno CHUN improvements in ventilating devicesand particularly to ventilating devices forshipsi One object of theinvention. is topjrovidea ventilatlng device having-a valve which isadapted to. be held in' open position for the cally closed when waterbegins'to passinto the ventilator, due to highseas, rain, or otherpassage of air, but which will be automaticauses.

Another. object is lto provide a ventilator .valve which is arranged tobe normally, held in open 7 means iventilatin m position and which isadapted tobe released I from the holding ventilator, the valve beingthen automatis may latched into closed position. Y, Y

' Other Ob'ects and advantageswill be apparent from thcftollowingdescription when taken in. connectionwith the accompanying drawings. i

' In the drawings: v

Figure 1 .is a side elevation of the ventilator pipe showing theexternal portions of the invention applied thereto.

Figure 2 is a vertical transverse sectional view through the pipe, onthe ,fline- 2--2 of Figure Lshowing the valve in elevation, and inclosed position.

Figure 3 is asiniilirsectional view, but showing the valve in penposit-ion;

Figure 1 is a vertical longitudinal central. sectional view through thepipe and valve, taken on the line 4-4 of Figure 2.

Figure 5 is a sectional view similar to Fig ure 4:, but taken on theline 5-5 of Figure 3, showing theposition of the parts with the valveopen.

Figure 6 is an enlarged horizontal sectional view on the line 6-6 ofFigure 5, showing the positions of the wires and their exposed endswhich the water overflows to close the circuit.

Fig. 7 is a diagram of the wiring.

closed by theentering water. 'i

p by an electrical device, the circuit of. .whi ch is closedbvwat'er'passing intothe an electro-niaguct Specification of Letters Patent.Patented Dizzy 2, 1922. Application filed Qctober 24,1921. Serial No.510,126. l

pipes are extended'through the port-holes.

In either arrangement of the pipes water gets into the 131136821116.passes from one compa-rtment to another. with the result that the shipwill become flooded.

The particular object of the present invention is to provide a means forclosing the valve 111 the ventilator pipe when a sufficient amount ofwater has entered, and thus pre vent the; entrance of more water.Theinvention also contemplates the use of a detent for holding the valvein open position for the free passage of air, butwhich isarranged to bereleased automatically by an electroe magnetic means, the circuitthrough which? P eferring part'cularly'to accompanymg drawings, 10represents a,',vcnt lator pipe which is properly supported throiigh a'n.

openingin'the bulkhead 11, the having i a drop or offsetportiorf12,arrangedbel'ow the plane efth'e main portion ofth'epipe IPivot'ed centrally; the main portion of the pipe, 7 adj acent the ofisetportion, is a dish 13, the shaft 1 1 of which havinga springf 15' whichnormally urges the 'diskinto vertical positionto closelthe )assa e ofairthrou h i h thcpipe. Carriedby one face of the dislc and par are theright angularly extending, allol metal legs 16, each havingits nee eiidformed with a, contact point 17. Mounted in thepipe, in position toreceive the said points of the legs 16, are the stationarycontactsoclzcts 18, disposed within the block of insulation 19. From thecontact sockets 18 wires 20 and 21 extend, respectively, through 22, andto one side of a source of current 23 24;. A wire 25 connects the switchwith one side oi the sourceof current, whilea wire 26 leads from theotherside of the source. 'Pivotally mounted on ae'suitable block 2'7, inthe pipe, and adjacent the first block 19, is a detent hook 28, which isarranged to engage is in horizontal position, as shown in Figure bymeans oi the switch a 5, a coil spring 29 being connected to the detentand the block to normally urge the detent into disk engaging position.Secured to the rear portion of the detent, and extend ing downwardlyaway from the detent, is a curved arm 30 having an armature plate 31 onits free end for movement toward and away from the electromagnet 22'.When the armatureplate isattracted by the electromagnet, the detent willbe released fromthe disk, and the disk rocked into closed position byits spring 15. In the offset portion of the" pipe is disposed aninsulated member 51" in which vthe endspfthe wires 20 and261are embeddedand have their tips exposed for contact by water which might enter thepipe, and through which the circuitis closed to V energize the"electro-1nagnet'. A- pivoted,

spring pressed detent 32 is mounted adj aeent the detent 28, forengagement with a flange 33, carried by the disk 13, to hold the diskagainst accidental opening movement, after having been closed by theelectro-magnet. The shaft of the disk is provided with a knob or handle34, disposedextei'nally of the pipe,to permit resetting the disk in openpo- I.

sition. Stops 35, are secured to the upper andlower portions ofthe pipefor the disk; v.t'o "limit theelosingmovementthereof. IA stop'56 is alsoprovided to prevent the disk 1 imovin'gltoo far when set into engagingp0- Thus, "when theiswitch' is closed and the disk: properly engagedwith the detent 28,"

sition' with the detent 28. V

air will passifreelythrough the ventilator waterwouldsettle (in asmallpoollinthe oli- 1 prevented from flowing. into the next com- V partmentand flooding the vessel. Q-This is" yalso .valuable; where theventilator is disthe spray, or .IfZtlIl.

posed in axport-hole, :to exclude waterfrom It will be noted that-=can-riseto attack thedetents and other parts associated with the disk.

. I the disk isfa -dapted. to beclosed-before the, level of the water i(It will. be further not-ed that when the disk is move into closedposition, the legs .16 are disengaged from athe socket contacts,

and the circuit broken.

Connected tothe detent 32, and extending through the bottom wall of themain por-y tien otthe ventilator pipe, is axreleasing" cord. of wire 37,so that when the disk is to be reset into open position, the detentmaybe moved from engagementwith thefiange 33, to permit the disk tobe'rotated by the handle or knob 34.

v lVhat is claimed isz 1. In an automat c r-ventilator valve, the

combination with a ventilator pipeliaviiig" a downwardly offset portion,a pivoted disk for closing the passage'through the pipe, means: forholding thefvalve 1n open pos1- tion, an electro-magnetic means forrel-eas ing the holding means, and an eleetriecircuit for energizing theele etroamagnetio means arranged to be closed" by water entering theventilator pipethrough thedoifset portion".

In the combination witha ventilator pipeihai l ing a downwardly offsetportionifa pivotedv spring closed 1 disk 1' inthe pipe," nea-ns d orholdingv the disk in open posit'iona "1101'- mally'open'eireuit'arranged tdbe closed by 7 so the bridging of waterfthe feacross,.el'e'etrofmagnet'ic meansin sai'dieirdiiitto".rleasethe a gaid hold ngmeansfandl meansfit'or holding theQ-disk in closed position; 1'

In an. automati" ventilator for ships, the'c'ombinationwith a ventilatorpipeffa i-otary diskf' i alveiin' the-pipe' and normally urged. towardclosed]. position; "a Pd'et ent for hold ing; the in' ope p sition; anelse trio circuit normally open andffarranged to be closed by the bridgng of water, an armature onthe 'detent, and a circuit breaker on thedisk. 7

In testimony whereof;-

isig

nature, in the presence of two witnesses.

- JOSEPH K. .CHUN FAT; Witnesses: i

' I RU OLPH H. ANDERSON,

an automatic ventilato r for shipsi' j

